diff --git a/pyproject.toml b/pyproject.toml
index 0547eb83..f20b1cac 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ authors = [
 dependencies = [
     "langchain>=0.2.10",
     "langchain-google-genai>=1.0.7",
-    "langchain-google-vertexai",
+    "langchain-google-vertexai>=1.0.7",
     "langchain-openai>=0.1.17",
     "langchain-groq>=0.1.3",
     "langchain-aws>=0.1.3",
diff --git a/requirements.txt b/requirements.txt
index 1161e36d..dd9fb403 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 langchain>=0.2.10
 langchain-google-genai>=1.0.7
-langchain-google-vertexai
+langchain-google-vertexai>=1.0.7
 langchain-openai>=0.1.17
 langchain-groq>=0.1.3
 langchain-aws>=0.1.3